<template>
  <Dialog :title="dialogTitle" v-model="dialogVisible">
    <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      label-width="100px"
      v-loading="formLoading"
    >
      <el-form-item label="上级类目" prop="parentId">
        <el-cascader
          v-model="selectCategoryId"
          :options="categoryTree"
          :props="strictlyProps"
          :filterable="false"
          :clearable="true"
          node-key="id"
          placeholder="请选择上级类目"
          class="w-100%"
        />
      </el-form-item>
      <el-form-item label="类目名称" prop="name">
        <el-input v-model="formData.name" placeholder="请输入类目名称" />
      </el-form-item>
      <el-form-item label="移动端图" prop="picUrl">
        <UploadImg v-model="formData.iconUrl" :limit="1" :is-show-tip="false" />
        <div style="font-size: 10px" class="pl-10px">推荐 180x180 图片分辨率</div>
      </el-form-item>
      <el-form-item label="排序序号" prop="sort">
        <el-input v-model="formData.sort" placeholder="请输入类目排序" />
      </el-form-item>
      <el-form-item label="开关状态" prop="status">
        <el-radio-group v-model="formData.status">
          <el-radio
            v-for="dict in getIntDictOptions(DICT_TYPE.COMMON_STATUS)"
            :key="dict.value"
            :value="dict.value"
          >
            {{ dict.label }}
          </el-radio>
        </el-radio-group>
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script setup lang="ts">
import { strictlyProps, handleTree } from '@/utils/tree'
import { getIntDictOptions, DICT_TYPE } from '@/utils/dict'
import { ShopCategoryApi, ShopCategoryVO } from '@/api/mall/shop/category'

/** 店铺产品类目 表单 */
defineOptions({ name: 'ShopCategoryForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改
const formData = ref<any>({
  id: undefined,
  parentId: '0',
  name: undefined,
  picUrl: undefined,
  sort: 1,
  status: 0
})
const formRules = reactive({
  name: [{ required: true, message: '类目名称不能为空', trigger: 'blur' }],
  status: [{ required: true, message: '开启状态不能为空', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref

/** 打开弹窗 */
const open = async (type: string, id?: number | string) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()
  // 修改时，设置数据
  if (id) {
    formData.value.parentId = id
    formLoading.value = true
    try {
      formData.value = await ShopCategoryApi.getShopCategory(id)
    } finally {
      formLoading.value = false
    }
  }
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  await formRef.value.validate()
  // 提交请求
  formLoading.value = true
  try {
    const data = formData.value as unknown as ShopCategoryVO
    if (formType.value === 'create') {
      await ShopCategoryApi.createShopCategory(data)
      message.success(t('common.createSuccess'))
      await getCategoryTree()
    } else {
      await ShopCategoryApi.updateShopCategory(data)
      message.success(t('common.updateSuccess'))
      await getCategoryTree()
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined,
    parentId: '0',
    name: undefined,
    picUrl: undefined,
    sort: 1,
    status: 0
  }
  formRef.value?.resetFields()
}

/** 选中的类目 ID */
const selectCategoryId = computed({
  get: () => {
    return formData.value.parentId
  },
  set: (val: number | number[]) => {
    formData.value.parentId = val
  }
})

const categoryTree = ref<any>([]) // 类目树
const getCategoryTree = async () => {
  categoryTree.value = []
  const data = await ShopCategoryApi.getShopCategorySimpleList()
  const root: any = { id: '0', name: '顶级类目', children: [] }
  root.children = handleTree(data, 'id', 'parentId')
  categoryTree.value.push(root)
}

onMounted(async () => {
  // 获得类目树
  await getCategoryTree()
})
</script>
